It's good to have you here in the Community. I'd be happy to share with you some information about using your company credit card when paying vendors in QuickBooks Payments.
If you're referring to QuickBooks Payments, this feature allows your customer to pay your sales transactions directly through credit card. Their payments will be deposited straight to your account. However, if you wish to pay your vendors using your credit card, I'd suggest visiting our Intuit Market Place. This is the best avenue to check out for an application that suites to your business needs.
Re: Paying personal purchases on company credit card.
This is your Topic's Title: "Paying personal purchases on company credit card"
Let's review that you don't Put Personal charges on a company credit card. That is called Commingling. That is not business expense. You don't get to treat the company business card as your personal borrowing tool.